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Open AccessArticle

Effects of (S)-Carvone and Gibberellin on Sugar Accumulation in Potatoes during Low Temperature Storage

Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Quality and Safety Control in Storage and Transport Process, Ministry of Agricultrue, Beijing 100193, China
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Authors to whom correspondence should be addressed.
These two authors contributed equally to this work.
Molecules 2018, 23(12), 3118; https://doi.org/10.3390/molecules23123118
Received: 25 October 2018 / Revised: 18 November 2018 / Accepted: 28 November 2018 / Published: 28 November 2018
Potato tubers (Solanum tuberosum L.) are usually stored at low temperature, which can suppress sprouting and control the occurrence of diseases. However, low temperatures lead potatoes to easily suffer from cold-induced sweetening (CIS), which has a negative effect on food processing. The aim of this research was to investigate potential treatments on controlling CIS in potatoes during postharvest storage. “Atlantic” potatoes were treated with gibberellin and (S)-carvone, respectively, and stored at 4 °C for 90 days. The results showed that gibberellin can significantly accelerate sprouting and sugar accumulation by regulating expressions of ADP-glucose pyrophosphorylase (AGPase), granule-bound starch synthase (GBSS), β-amylase (BAM1/2), UDP-glucose pyrophosphorylase (UGPase) and invertase inhibitor (INH1/2) genes. The opposite effects were found in the (S)-carvone treatment group, where CIS was inhibited by modulation of the expressions of GBSS and INH1/2 genes. In summary, gibberellin treatment can promote sugar accumulation while (S)-carvone treatment has some effects on alleviating sugar accumulation. Thus, (S)-carvone can be considered as a potential inhibitor of some of the sugars which are vital in controlling CIS in potatoes. However, the chemical concentration, treatment time, and also the treatment method needs to be optimized before industrial application. View Full-Text
Keywords: cold-induced sweetening; potato; gibberellin; (S)-carvone; postharvest storage cold-induced sweetening; potato; gibberellin; (S)-carvone; postharvest storage
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MDPI and ACS Style

Xie, Y.; Onik, J.C.; Hu, X.; Duan, Y.; Lin, Q. Effects of (S)-Carvone and Gibberellin on Sugar Accumulation in Potatoes during Low Temperature Storage. Molecules 2018, 23, 3118.

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